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Showing 1 to 9 of 9 for “"Nano-TiO2"”.
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Fundamental Understanding of NOx Sequestration Capacity And Pathways in Nano-TiO2 Engineered Cementitious Materials
… in the urban environment and the upscaling of nanomaterial production have prompted interest in the incorporation of titania (TiO2) nanoparticles into cementitious materials. Air purification by TiO2-based cementitious materials occurs by photocatalysts that capture nitrogen oxide species (NOx) …
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Effects of polymorphs and of Fe-doping on the properties of engineered nano TiO2 for photocatalytic degradation of emerging pollutant
L'abstract è presente nell'allegato / the abstract is in the attachment
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Investigation of physical properties of mesoporous NANO-Ti02 for dye-solar
The nanocrystalline dye sensitized solar cells, so called «Gratzel cells* are based on a wide band gap «3.0-3.2eV» semiconductor TiO2 in its nano-scaled form. These nano-sized TiO2 are sensitized by a dye monolayer so to increase its spectral response and are immersed in a redox electrolyte for …
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Synthesis, Processing And Characterization Of Nanocrystalline Titanium Dioxide
Titanium dioxide (TiO2), one of the basic ceramic materials, has found a variety of applications in industry and in our daily life. It has been shown that particle size reduction in this system, especially to nano regime, has the great potential to offer remarkable improvement in physical, …
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Use phase performances of photocatalytic cements
Photocatalytic concrete containing nano TiO2 particles has generated interest in the 21st century for their air pollutant removal and self-cleaning performance on civil infrastructure components. In this research, photocatalytic cement pastes were evaluated for NOx removal in a laboratory …
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Optimization of Polymer-based Nanocomposites for High Energy Density Applications
… to an energy density of ~1-2 J/cc. Polymer nanocomposites, i.e., high dielectric particles embedded into a high dielectric breakdown polymer, are promising candidates to overcome the limitations of monolithic materials for energy storage applications. The main objective of this dissertation …
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Detection and potential impacts of nanomaterials released from building materials in the natural weathering environment
The use of (nano)-particles has increased over the past couple of decades, which includes incorporation into building materials such as lumber and cement. Since building materials are in the outdoor environment, incorporated (nano)-particles may be released into the environment and have unforeseen …
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Investigations of catalyst behaviour in the formation of polyurethanes
… chelate catalyst leads to the formation of nano TiO2 and other isocyanate adducts of titanium, the final coating is sensitive to UV radiation. The addition of UV absorber and HALS (Hindered Amine Light Stabilizer) overcame the sensitivity of the titanium chelate catalyzed coating when …
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The combined toxic effect of nanoparticles and lead in the presence of algae (Raphidocelis)
… toxicity of toxic metals in the presence of nanoparticles (NPs) has raised significant concerns on the NP environmental safety. This research focuses on the impact of environmental conditions, specifically algae, on this type of toxicity. An indicator aquatic organism, <em>Ceriodaphnia …